Because you like Egon Spengler in Ghostbusters
Miles Morales was bitten by a radioactive spider, put on the webbed spandex, and beat up his first bad guy before his voice changed. See them in Marvel Cinematic Universe.
Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.
A confident celebrity, Allison Hargreeves wasn't quite careful enough about what she wished for. See them in The Umbrella Academy.
On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.
Prideful and psychotic tendencies combine to make Dr. Eggman a dangerous and villain who will squash anyone in his path. See them in Sonic the Hedgehog.
A fearless superhero, Carol Danvers always aims to go higher, further, faster. See them in Marvel Cinematic Universe.
With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.
Ryan Howard is a temp turned executive turned failing small-time media mogul. See them in The Office.
Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).
When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.